file reading by record separator (not line by line)

[Tijs]

Steve Howell wrote:

>> 
>> from blockread import BlockReader
>> 
>> b = BlockReader(f, boundary='>')
>> for block in b:
>>         # whatever
>> 
> 
> Yep, I like this idea.  You might have a few
> variations:
> 

Yes, or a single one that takes a wide range of construction possibilities,
like strings, lambdas or regexes in various keyword parameters.

BlockReader(f, start='>')
BlockReader(f, start=re.compile('>|<'), end='---')
BlockReader(f, start=lambda x: x.startswith('>'))

Maybe make variations for character-based readers and line-based readers.

-- 

Regards,
Tijs